Just because Israel cannot tolerate equal rights for anyone who is not a Jew doesn't mean that Iran follows the same train of thought. I would imagine that not only the Jews are afraid, I would be too if I were daily threatened with being "bombed back to the Stone Age". Shows that Iran is much more civilly advanced than Israel. And the Jews there can leave if they want.
Singapore arrests man who tried to join ISIS (Reuters)
from the article: Iranian Jews in Israel fear for relatives in Iran if Israel attacks